i am creating checkbox dynamically from a list ,now how to check user selected which checkbox from a list in android

i am creating checkbox dynamically from a list ,now how to check user selected which checkbox from a list in android

for (int i = 0; i < languageList.size(); i++) {

                HashMap<String, String> item_hash = new HashMap<String, String>();
                String lang = languageList.get(i).getLanguage();
            final   String langId = languageList.get(i).getLanguageId();
                item_hash.put(langId, lang);

                ar[i] = langId;

                // String langId = languageList.get(i).getLanguage_id();
                item_list1.add(item_hash);
                cb = new CheckBox(parentActivity);
                cb.setText(languageList.get(i).getLanguage().toString());
                cb.setId(Integer.parseInt(languageList.get(i).getLanguageId()));

                       Button btnSubmit = (Button) findViewById(R.id.btn_submit);

                        // show location button click event
                        btnSubmit.setOnClickListener(new View.OnClickListener() {

                            @Override
                            public void onClick(View arg0) {

                                if(cb.isChecked()){
                                      System.out.println("id "+cb.getText()+langId);

                                }


                            }
                        });